US11167880B2 - Pouring element for a package and composite package having such a pouring element - Google Patents

Pouring element for a package and composite package having such a pouring element Download PDF

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Publication number
US11167880B2
US11167880B2 US15/740,885 US201615740885A US11167880B2 US 11167880 B2 US11167880 B2 US 11167880B2 US 201615740885 A US201615740885 A US 201615740885A US 11167880 B2 US11167880 B2 US 11167880B2
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Prior art keywords
pouring
pouring element
flange
element according
package
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US15/740,885
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English (en)
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US20180186505A1 (en
Inventor
Olivier Peterges
Martin Ruegg
Thomas Vetten
Sven Himmelsbach
Hansjörg Huber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIG Combibloc Services AG
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SIG Technology AG
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Publication date
Priority claimed from DE102015110526.8A external-priority patent/DE102015110526B4/de
Priority claimed from EP15020106.9A external-priority patent/EP3112283B1/fr
Application filed by SIG Technology AG filed Critical SIG Technology AG
Assigned to SIG TECHNOLOGY AG reassignment SIG TECHNOLOGY AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: RUEGG, MARTIN, HIMMELSBACH, SVEN, Huber, Hansjörg, PETERGES, OLIVIER, VETTEN, THOMAS
Publication of US20180186505A1 publication Critical patent/US20180186505A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/024—Closures in which a part has to be ruptured to gain access to the contents

Definitions

  • the invention relates to a pouring element for a package, in particular a composite package for liquid foods, having a base body, a polyhedrally formed flange, the flange inner surfaces of which converge in face abutments, for joining to a package sleeve and at least one holding element projecting on the inside of the flange for operatively connecting to a mandrel of a packaging machine, as well as to a composite package for liquid foods with polyhedrally formed gable surfaces.
  • beverage cartons consist of different packaging materials, such as paper and plastic materials, which when joined and pressed together over their full surfaces form a packing laminate.
  • the layer composition can vary according to requirements and so, for example, for aseptic filling goods an aluminium layer is additionally inserted, in order to obtain a good barrier effect against gases and light.
  • the laminate is even cut to packaging size during its production and in this way so-called package sleeves are formed.
  • the packing laminate is often also supplied as a rolled product and only cut to size later.
  • Such packages are sometimes also provided with pouring elements.
  • these pouring elements usually also enable the consumer to reclose the package.
  • a first opening function is also provided for the package.
  • the previously gas-tight sealed package is opened for the first time.
  • piercing and/or cutting devices are often designed as cutting rings which are linked to the screw cap, for example, via drive means, so that by twisting the screw cap the package is at the same time cut open.
  • WO 2012/048935 A1 originating from the applicant demonstrates a pouring element of the type mentioned, for example.
  • This pouring element essentially consists of a base body which is sealed by means of a screw cap and in addition to the actual pouring neck also has a flange for joining to the rest of the package parts (here a package sleeve).
  • the pouring elements are incorporated into the package when the package is being formed and before actual filling takes place and in this way form a part of the package.
  • the pouring element is applied from the inside through a pre-cut hole in the flat gable of the package.
  • the flange of the pouring element then extends parallel to the plane of the flat gable of the package, as is disclosed in the first exemplary embodiment shown there.
  • the pouring element itself to form the top area of the package, as shown in the further illustrated exemplary embodiment.
  • the joining flange projects angled from the actual pouring element and forms a polyhedrally formed flange which here essentially corresponds to a truncated pyramid.
  • FIG. 5 in the left area shows a mandrel wheel with nine working mandrels (in short: mandrels) arranged over its circumference.
  • the filling plant, which is of no further interest here, is arranged in the right section.
  • the mandrel wheel rotates cyclically in operation, so that the mandrels rotate between individual working positions (I to IX) and remain in these positions for the production steps to be carried out, in order to join the pouring element to the sleeve and to basically form the top area of the package.
  • working position I the pouring element is brought onto the still empty mandrel by means of a feed device. Afterwards, the mandrel wheel rotates, in order to bring the mandrel fed with the pouring element into working position II, in which a package sleeve is slid onto the mandrel.
  • working positions III and IV the pouring element and the package sleeve receive a thermal hot-air activation in the areas of the subsequent joining places, i.e. the plastic material is locally fused. The activated surfaces are then pressed together in working position V, so that a firm and durable join is obtained.
  • the subsequent working positions VI and VII apply the projecting package sleeve sections (the so-called “ears”), which are formed by producing the truncated pyramid shaped package gable, onto the gable sections.
  • the package completed on one side in the gable area is then passed on to a cell chain of the filling plant, where it is filled through the bottom area which is still open, and after that it is sealed and the bottom area is completed. No production step is allocated to position IX.
  • the pouring element is subjected to considerable thermal and mechanical loads when it is being joined to the package sleeve. It must for the time being remain locked securely held and in the required position via the individual working positions of the mandrel wheel, then released again together with the package sleeve.
  • the material in the area of the flange is firstly locally fused, so that it can be pressed with the package sleeve in the subsequent step. In addition to holding, the production steps produce additional mechanical and thermal loads for the pouring element.
  • Vacuum-working solutions such as those as shown in WO 9739958 A1
  • Mechanical holders are technically simpler and cheaper to implement, but involve an additional mechanical load for the pouring element due to the form-fit and/or frictionally-engaged connection.
  • JP 2009039980 A discloses a frictionally-engaged connection between the pouring element and the mandrel.
  • the applicant carried out an investigation regarding engagement and separation forces as a function of different holding mandrel designs (essentially their geometry).
  • the test results from the series of tests (including damaged pouring elements) are shown in the reproduced table.
  • Form-fit connections between the pouring element and the mandrel define the final position of the pourer on the mandrel with regard to all degrees of freedom.
  • a circumferential holding element on the flange of the pourer with a mandrel corresponding to it guarantee a reliable connection and simple removal.
  • the holding element is formed as a projection.
  • a pouring element has not always withstood the various loads to which it has been subjected when it is being produced in the packaging machine. In a not insignificant number of cases, failing pouring elements have resulted in damaged and/or leaking packages. The damage ranges from broken or torn flanges to defective joining areas. The pouring elements and/or packages also often only fail when they are being stacked during their subsequent distribution.
  • the holding element is formed as a rounding in the area of the face abutments on the inside of the flange.
  • a round geometry of the holding element principally permits smoother mechanical operations than rectangular ones. In this way, the pouring element can be put onto and removed from the mandrel effortlessly.
  • the rounding of the holding element in the “corner areas” guarantees a secure and precise hold on the mandrel during all production steps. The joining steps can therefore be carried out with a high precision.
  • the roundings cause the holding element to be more tolerant in terms of structural mechanics with respect to unwanted stress concentrations and therefore it has a higher strength. As a result, thermally or mechanically caused stresses in the pouring element are thus largely prevented, so that the structure is not weakened or at all damaged.
  • the object forming the basis of the invention is also achieved by a composite package for liquid foods with polyhedrally formed gable surfaces, in which these gable surfaces are correspondingly joined to the polyhedrally formed flange of such a pouring element.
  • a further teaching of the invention makes provision for the holding element to be circumferentially formed.
  • the height of the holding element can be reduced with the holding force remaining the same through the increased contact area of the operative connection between the holding element and the mandrel. In this way, the holding element can be pushed onto and detached from the mandrel more smoothly.
  • a holding element which is reduced in height has a higher strength.
  • the holding element runs in the area of the bottom edge of the flange.
  • the operative connection between the holding element and the mandrel is carried out in a form-fit manner. Consequently, the pouring element is fixed in its final position with regard to all degrees of freedom. In this way, higher precision can be achieved during the work processes, so that the risk of damaged pouring elements or packages is greatly reduced.
  • the operative connection between the holding element and the mandrel can be carried out in a frictionally-engaged manner.
  • Frictionally-engaged operative connections can, depending on the specific design of the pouring element, always be preferable if “snapping” of the pouring element in the mandrel is not desired.
  • the face abutments on the inside of the flange are formed as fillets. Sharp transitions between surfaces are unfavourable in terms of structural mechanics, so that the negative rounded grooves give the pouring element a higher strength and, in addition, crack growth is prevented.
  • a further advantageous embodiment of the invention makes provision for reinforcement ribs to be formed over the face abutments on the inside of the flange. These structural elements provide the pouring element with additional strength particularly in the critical “corner areas” of the flange.
  • Another teaching of the invention makes provision for the flange of the base body to be in the shape of a truncated pyramid. A particularly uniform distribution of the forces between the pouring element and the package sleeve can hereby be achieved.
  • a further embodiment of the invention makes provision for the base body to have a rectangular base plate and in particular the base plate can be square. In this way, an improved course of the strain lines in the base body can be obtained without causing damage to the pouring element.
  • a further type of embodiment according to the invention makes provision for the transitions between the base plate and the flange to be formed as fillets.
  • the hollowed surface transitions are consequently stronger in the face of stresses and minimise the risk of damage.
  • the corners formed by the face abutments on the inside of the flange and the base plate are shaped as spherical roundings.
  • a further teaching of the invention makes provision for the base body to have a pouring neck, wherein this pouring neck is initially sealed with a screw cap. This is a particularly advantageous alternative for the pouring element.
  • the base body is closed below the pouring neck by means of a retaining wall and has a circumferential weakening zone.
  • a retaining wall additionally strengthens the pouring element, particularly in the area of the base plate and the pouring neck.
  • a barrier film to abut on the retaining wall, optionally also, for a handle to be integrally formed on the retaining wall, so that it can be removed by manually pulling on the handle, or for a cutting element to be arranged in the pouring neck, so that the retaining wall can at least partly be cut open in the area of the weakening zone.
  • FIG. 1 shows a pouring element according to the invention in a perspective view from above
  • FIG. 2 shows the pouring element from FIG. 1 in a perspective view from below without the screw cap
  • FIG. 3 shows the pouring element in vertical cross section along the line III-III from FIG. 2 ,
  • FIG. 4 is a perspective view of a package according to one example of the present disclosure.
  • FIG. 5 is a perspective view of the pouring element of FIG. 1 with a handle
  • FIG. 6 is a perspective view of the pouring element of FIG. 1 with a cutting element.
  • FIG. 1 shows a preferred exemplary embodiment of a pouring element according to the invention in a perspective illustration at an angle from above.
  • the pouring element in the illustrated and in this respect preferred exemplary embodiment has a base body 1 and a screw cap 2 .
  • the screw cap 2 fits on a pouring neck 3 (easily identifiable in FIGS. 2 and 3 ) which forms a part of the base body 1 .
  • the base body 1 has a polyhedrally formed—more precisely truncated pyramid shaped—flange 4 .
  • the flange 4 and the pouring neck 3 project in opposing directions from a square base plate 5 and together form the actual base body 1 .
  • the shape of the polyhedrally formed flange 4 is adapted to the shape and in particular to the angle of inclination of the gable area 32 of a package sleeve 30 .
  • the gable area 32 of the package P is therefore at least in the area adjoining the flange 4 likewise in the shape of a truncated pyramid.
  • the angled outer surfaces of the flange 4 have outer ribs 6 which, on the one hand, mechanically reinforce the flange 4 and, on the other hand, enable the gable surfaces of the package sleeve 30 to be bound better to the flange 4 during sealing.
  • a wing-like projection is integrally formed on the flange 4 . The projections also serve to improve the join between the gable area 32 of the package sleeve 30 and the flange 4 of the pouring element.
  • a tamper-evident safety seal 7 with material bridges (not specified in more detail) formed as predetermined break points connects the base body 1 to the screw cap 2 .
  • material bridges are destroyed, so that a consumer can easily identify whether a package provided with this pouring element has already been opened before.
  • FIG. 2 shows the pouring element according to the invention in a perspective illustration at an angle from below.
  • the polyhedrally formed flange 4 has corresponding flange inner surfaces 8 on its inside, which form face abutments 9 in the area in which they converge.
  • the flange 4 ends in a bottom edge 10 .
  • a projecting, circumferential holding element 11 runs in the area of this bottom edge 10 and extends continuously over all flange inner surfaces 8 .
  • the holding element 11 creates a mechanical connection with a free coupling end 31 of a mandrel 33 of a packaging machine (not illustrated) when the package top and the gable area 32 are being formed.
  • the holding element 11 is formed as a rounding 12 in the area of the face abutments 9 on the inside of the flange, so that it can be put onto and detached from the mandrel smoothly.
  • the pouring element remains precisely and securely held during all the production steps.
  • the face abutments 9 are also formed as fillets 13 .
  • Reinforcement ribs 14 are also integrally formed in the area of the face abutments 9 on the inside of the flange and additionally increase the strength in the corner areas.
  • the holding element 11 defines a substantially rectangular aperture with four rounded corners in an area of the corners on the inside of the flange 4 to assist in smoothly attaching and detaching the pouring element from the mandrel.
  • the areas of the surface transitions between the flange inner surfaces 8 of the flange 4 and the inner surface of the base plate 5 are also formed as negative rounded grooves, i.e. as fillets 15 .
  • the corners formed between the face abutments 9 on the inside of the flange and the base plate 5 are formed as spherical roundings 16 .
  • FIG. 4 shows a perspective view of a package according to one example of the present disclosure. It is also contemplated that a handle 34 may be included in the pouring element as shown in FIG. 5 .
  • FIG. 6 shows a cutting element 35 that cuts through the weakening zone 18 when the screw cap 2 is unscrewed for the first time and in this way exposes the opening of the pouring neck 3 for pouring.
US15/740,885 2015-06-30 2016-06-09 Pouring element for a package and composite package having such a pouring element Active US11167880B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE102015110526.8A DE102015110526B4 (de) 2015-06-30 2015-06-30 Ausgiesselement für eine Verpackung sowie Verbundverpackung mit einem solchen Ausgiesselement
EP15020106.9A EP3112283B1 (fr) 2015-06-30 2015-06-30 Bec verseur pour emballage et emballage composite doté d'un tel bec verseur
EP15020106.9 2015-06-30
DE102015110526.8 2015-06-30
EP15020106 2015-06-30
PCT/EP2016/063111 WO2017001161A1 (fr) 2015-06-30 2016-06-09 Élément verseur destiné à un emballage et emballage composite muni dudit élément verseur

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/063111 A-371-Of-International WO2017001161A1 (fr) 2015-06-30 2016-06-09 Élément verseur destiné à un emballage et emballage composite muni dudit élément verseur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/739,272 Division US20200216217A1 (en) 2015-06-30 2020-01-10 Pouring Element for a Package and Composite Package Having Such a Pouring Element

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US20180186505A1 US20180186505A1 (en) 2018-07-05
US11167880B2 true US11167880B2 (en) 2021-11-09

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US15/740,885 Active US11167880B2 (en) 2015-06-30 2016-06-09 Pouring element for a package and composite package having such a pouring element
US16/739,272 Abandoned US20200216217A1 (en) 2015-06-30 2020-01-10 Pouring Element for a Package and Composite Package Having Such a Pouring Element

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US16/739,272 Abandoned US20200216217A1 (en) 2015-06-30 2020-01-10 Pouring Element for a Package and Composite Package Having Such a Pouring Element

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US (2) US11167880B2 (fr)
CN (1) CN107810148B (fr)
BR (1) BR112017023620B1 (fr)
WO (1) WO2017001161A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107735332B (zh) * 2015-06-30 2019-10-11 Sig技术股份公司 用于包装件的倾倒元件以及具有该倾倒元件的复合包装件
CN107810148B (zh) * 2015-06-30 2019-04-09 Sig技术股份公司 用于包装件的倾倒元件以及具有这种倾倒元件的复合包装件
EP4056488B1 (fr) * 2021-03-10 2024-05-01 SIG Services AG Élément de déversement et emballage composite à comportement d'ouverture amélioré

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WO2012048935A1 (fr) 2010-10-15 2012-04-19 Sig Technology Ag Élément verseur refermable à film barrière et paroi de support
US20130305659A1 (en) * 2010-11-08 2013-11-21 Sig Technology Ag Apparatus and Method for Producing Packaging
WO2012062565A1 (fr) 2010-11-08 2012-05-18 Sig Technology Ag Dispositif et procédé de production d'un emballage
DE102010050502A1 (de) 2010-11-08 2012-05-10 Sig Technology Ag Vorrichtung und Verfahren zur Herstellung einer Verpackung
DE102012020529A1 (de) 2012-10-19 2014-04-24 Sig Technology Ag Wiederverschließbares Ausgießelement für eine Verpackung und Dorn eines drehbaren Dornrades einer Verpackungsmaschine zur Aufnahme eines solchen Ausgießelementes und Kombination von Ausgießelement und Dorn
WO2014060133A1 (fr) 2012-10-19 2014-04-24 Sig Technology Ag Elément verseur refermable pour un emballage, et poinçon faisant partie d'une roue à poinçons rotative d'une machine d'emballage et permettant de recevoir un tel élément verseur, et combinaison entre l'élément verseur et le poinçon
US20150259109A1 (en) * 2012-10-19 2015-09-17 Sig Technology Ag Resealable Spout for a Packaging, and a Mandrel of a Rotating Mandrel Wheel of a Packaging Machine to Mount said Spout, and a Combination of a Spout and a Mandrel
US20180186505A1 (en) * 2015-06-30 2018-07-05 Sig Technology Ag Pouring Element for a Package and Composite Package Having Such a Pouring Element
US20180194512A1 (en) * 2015-06-30 2018-07-12 Sig Technology Ag Pouring Element for a Package and Composite Package Having Such a Pouring Element
US20180265240A1 (en) * 2017-03-17 2018-09-20 Consolidated Container Company Lp Container with crush resistant spout and method of manufacturing the same

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BR112017023620A2 (pt) 2018-07-24
CN107810148A (zh) 2018-03-16
US20180186505A1 (en) 2018-07-05
CN107810148B (zh) 2019-04-09
BR112017023620B1 (pt) 2022-04-05
US20200216217A1 (en) 2020-07-09
WO2017001161A1 (fr) 2017-01-05

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